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385461 = 3242829
BaseRepresentation
bin1011110000110110101
3201120202100
41132012311
544313321
612132313
73163536
oct1360665
9646670
10385461
1124366a
12167099
131065ab
14a068d
1579326
hex5e1b5

385461 has 6 divisors (see below), whose sum is σ = 556790. Its totient is φ = 256968.

The previous prime is 385433. The next prime is 385471. The reversal of 385461 is 164583.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 18225 = 606^2 + 135^2 .

It is not a de Polignac number, because 385461 - 26 = 385397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21406 + ... + 21423.

2385461 is an apocalyptic number.

It is an amenable number.

385461 is a deficient number, since it is larger than the sum of its proper divisors (171329).

385461 is a wasteful number, since it uses less digits than its factorization.

385461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42835 (or 42832 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 385461 is about 620.8550555484. The cubic root of 385461 is about 72.7768880665.

The spelling of 385461 in words is "three hundred eighty-five thousand, four hundred sixty-one".

Divisors: 1 3 9 42829 128487 385461